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Junior Systems Administrator Jobs (NOW HIRING)

Elutions

Junior Systems Administrator

Tampa, FL · On-site

Junior Systems Administrator Full Time - Tampa, FL Elutions is a well-established, global provider of Operational Business Solutions. We focus on energy conservation and critical asset performance.

Elutions

Junior Systems Administrator

Tampa, FL · On-site

Junior Systems Administrator Full Time - Tampa, FL Elutions is a well-established, global provider of Operational Business Solutions. We focus on energy conservation and critical asset performance.

Elutions

Junior Systems Administrator

Tampa, FL · Hybrid

Junior Systems Administrator Full Time - Tampa, FL Elutions is a well-established, global provider of Operational Business Solutions. We focus on energy conservation and critical asset performance.

IQUASAR LLC

Junior Systems Administrator

Washington, DC

$80K - $95K/yr

Paid time off MSM Technology is seeking to fill the Junior Systems Administrator position. We strive to provide the next generation of cutting-edge technologies. Our growth means exciting career ...

iQuasar LLC

Junior Systems Administrator

Washington, DC · On-site

$80K - $95K/yr

Paid time off MSM Technology is seeking to fill the Junior Systems Administrator position. We strive to provide the next generation of cutting-edge technologies. Our growth means exciting career ...

ARA

Junior Systems Administrator

Florida, NY · On-site

Applied Research Associates, Inc. (ARA) is seeking a Junior Systems Administrator for enclave capability supporting a DoD‑owned secret‑level enclave. The successful candidate will be responsible ...

Saalex

Junior Systems Administrator

Patuxent River, MD · On-site

$60K - $75K/yr

Greenfield Engineering, a Saalex Company is seeking a Junior Systems Administrator in Patuxent River, MD. The ideal candidate will be responsible for configuration, deployment and maintaining Windows ...

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Junior Systems Administrator information

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How much do junior systems administrator jobs pay per year?

As of Jun 14, 2026, the average yearly pay for junior systems administrator in the United States is $63,244.00, according to ZipRecruiter salary data. Most workers in this role earn between $52,500.00 and $73,000.00 per year, depending on experience, location, and employer.

What Is a Junior Systems Administrator?

A junior systems administrator is part of a team that makes sure their company’s IT operations are run smoothly and efficiently. As a junior systems administrator, your job duties include updating hardware and software packages, revising documentation, installing computer and network systems, removing malware and other security threats, monitoring computer system backups, and preventing data corruption. You may also provide IT support for non-technical employees and facilitating end-user training on new software applications and other technology.

What does a Junior Systems Administrator do?

A Junior Systems Administrator assists in maintaining, troubleshooting, and supporting computer systems and networks within an organization. They help install and configure hardware and software, monitor system performance, and ensure the security and efficiency of IT infrastructure. Additionally, they often provide technical support to users, perform routine backups, and help with updates or patches. This entry-level role is typically supervised by more experienced administrators and is a stepping stone to more senior IT positions.

What is the difference between Junior Systems Administrator vs Network Technician?

AspectJunior Systems AdministratorNetwork Technician
CertificationsCompTIA A+, Network+, Microsoft CertifiedCompTIA Network+, Cisco CCNA
Work EnvironmentIT departments, data centers, corporate officesNetwork operations centers, field sites, corporate networks
ResponsibilitiesManaging servers, user accounts, troubleshooting systemsInstalling, maintaining, troubleshooting network hardware and connectivity
Industry UsageCommon in IT and tech companiesCommon in telecom, ISPs, large enterprises

The Junior Systems Administrator and Network Technician roles share some certifications and work environments but differ mainly in focus. The Junior Systems Administrator manages servers and user systems, while the Network Technician specializes in network hardware and connectivity. Both roles are essential in supporting IT infrastructure but serve different technical needs.

What are the key skills and qualifications needed to thrive as a Junior Systems Administrator, and why are they important?

To thrive as a Junior Systems Administrator, you need a solid understanding of operating systems (Windows/Linux), networking basics, and a relevant degree or certification such as CompTIA A+ or Microsoft Certified: Azure Fundamentals. Familiarity with system monitoring tools, virtualization platforms, ticketing systems, and basic scripting languages is typically expected. Strong problem-solving skills, attention to detail, and effective communication help you resolve issues efficiently and collaborate with IT teams. These skills and qualities are essential for maintaining system reliability, ensuring smooth IT operations, and supporting organizational technology needs.

What are some common challenges Junior Systems Administrators face when transitioning from academic learning to a professional IT environment?

Junior Systems Administrators often find that the real-world IT environment is more dynamic and fast-paced than academic settings. They may encounter challenges such as managing multiple tasks simultaneously, working with legacy systems, and responding to unexpected technical issues under time pressure. Additionally, collaborating with senior admins and other departments requires strong communication skills and adaptability. Over time, hands-on experience and mentorship from senior team members help bridge the gap between theoretical knowledge and practical application.
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Junior Systems Administrator jobs near you
Infographic showing various Junior Systems Administrator job openings in the United States as of June 2026, with employment types broken down into 2% Internship, 46% Full Time, 5% Part Time, and 47% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $63,244 per year, or $30.4 per hour.

Junior Systems Administrator

Berriehill Research

Eglin Air Force Base, FL • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 14 days ago

Job description

Applied Research Associates, Inc. (ARA) is seeking a Junior Systems Administrator for enclave capability supporting a DoDowned secretlevel enclave that already houses an airgapped softwaredevelopment environment. The successful candidate will be responsible for building, hardening, and sustaining all network and directory services required for secure enclave operations. This role works directly with the Sr. Systems Administrator and the broader systemsadmin team leading engineering and sustainment efforts for the development enclave. This position is located at Eglin AFB, in the city of Valparaiso, Florida on the Gulf Coast of Florida.

This position is immediate, fulltime, and onsite only.

ARA is a 100% employee-owned company that offers an excellent benefits package that includes medical, dental, vision, retirement and more. 

ARA’s Benefits Package Includes:  

  • 401(k) Retirement Plan with employer matching contribution 
  • Employee Stock Ownership Plan 
  • Various insurance options including Flexible Spending Plan, Health Savings Account (HSA) 
  • Paid leave and holidays. 

Junior Systems Administrator Key Responsibilities: 

  • Install, configure, and harden a Windows domain service (ADDS, ADCS, ADFS, DNS, DHCP, etc.) for the enclave, including Group Policy, delegation, and secure replication
  • Provision and maintain network services as required for enclave
  • Configure and manage HAIPE Type1 encryptors and the DISAapproved TACLANE line that provides the enclave’s connectivity, ensuring continuous compliance with DoD security policies
  • Deploy, harden, and operate cisco firewalls and DMZ infrastructure, applying DISA STIGs and DoDSRG controls
  • Support RMF lifecycle activities (categorization, control selection, implementation, assessment, authorization, and ongoing monitoring) for the environment as required by the ISSM and DISA
  • Produce and maintain supporting RMF accreditation artifacts and coordinate with the ISSM for CAO and PPSM workflows
  • Perform continuous monitoring using ACAS/SCAP scans (or equivalent) and remediate findings to maintain compliance as required
  • Document all configurations, playbooks, and standard operating procedures; keep network diagrams and system inventories current
  • Serve as the technical pointofcontact for any audits, inspections, or DoD reviews of the enclave
  • Mentor and train other system administrators on best practices as needed

Junior Systems Administrator Required Qualifications: 

  • Minimum 1 years of handson experience building and operating DoD enclaves (preferred 3 years of hands-on experience)
  • Minimum CompTIA Security+ (or higher DoD8570approved IAM certification)
  • Active Secret clearance (must be maintained)

Junior Systems Administrator Technical Skills: 

  • Domain services configuration and hardening (Windows Server 2022/2025)
  • Linux administration (for supporting services and monitoring)
  • HAIPE Type1 encryptor configuration and management
  • Firewall configuration, ruleset design, and STIG compliance
  • Switch configurations (vlans, subnets, acls)

 Additional Consideration for: 

  • RMF (Risk Management Framework) implementation and ATO maintenance as a systems administrator
  • Ports Protocols Services Matrix (PPSM) workflow experience
  • Design and operation of DMZ and firewall protection layers in a DoD environment
  • Familiarity with eMASS or other DoD accreditation tools

Company Details: 

Applied Research Associates (ARA) is a recognized leader in the development of cutting-edge research, engineering, and software solutions that are critical to national defense and other problems facing the U.S.  ARA is a scientific and engineering company with an excellent national reputation and over a 40-year history of sustained growth. Our culture supports career growth and rewards innovation, self-motivation, and technical excellence. ARA is an employee-owned company with an attractive benefit package that includes 401-K, Employee Stock Ownership, Flexible Spending Plan and various insurance options. Our specialty is finding innovative solutions to complex technical problems.  We are seeking talented and motivated individuals who can help us meet our objective of providing quality service to our customers. For additional information and an opportunity to join this unique workplace, please visit our website at www.ara.com.

Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information.

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